Net Inventories (Tables)

12 Months Ended

Dec. 31, 2013

Net Inventories [Abstract]

Net Inventories

Net inventories consist of the following:

	December 31,
	2013		2012
Finished goods	$	29,797	$	30,262
Work in process		31,990		23,533
Raw materials		22,580		12,352
Supplies		5,598		5,074
Total	$	89,965	$	71,221